Home / 5,920.69-8,171.04-3,268.68

Finding the Fourth Proportional to 5,920.69, 8,171.04 and 3,268.68

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Solution

The fourth proportional to 5,920.69, 8,171.04 and 3,268.68 is: 4,511.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,920.69 : 8,171.04 = 3,268.68 : x
  2. Step 2: Convert to fraction form
    5,920.69/8,171.04 = 3,268.68/x
  3. Step 3: Cross multiply
    5,920.69x = 8,171.04 × 3,268.68
  4. Step 4: Simplify right side
    5,920.69x = 26,708,474.17
  5. Step 5: Solve for x
    x = 26,708,474.17/5,920.69
  6. Step 6: Final answer
    x = 4,511.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.